The objective of this trial was to investigate safety, tolerability, and pharmacokinetics of BI 201335 ZW after administration of single rising doses from 40 mg to 480 mg of BI 201335 NA in healthy Japanese male volunteers.

Inclusion Criteria:

Subjects will be healthy male volunteers who meet the criteria below:

• Persons without clinically remarkable findings or clinically evident complications based on their concurrent illness, past medical history, physical examination, vital signs (blood pressure, pulse rate, and body temperature), 12-lead ECG, and laboratory test results
• Persons who are 20 or older and 35 or younger
• Persons with body mass index (BMI) of 18.5 kg/m2 or more and 25.0 kg/m2 less
• Persons who are willing to participate in this trial before study initiation and who give their written consent in accordance with the GCP (Good Clinical Practice)

Exclusion Criteria:

• Any finding of the medical examination (including blood pressure, pulse rate, body temperature, and ECG) deviating from normal and of clinical relevance
• Any evidence of a clinically relevant concomitant disease
• Gastrointestinal, hepatic, renal, respiratory, cardiovascular, metabolic, immunological, or hormonal disorders
• Prior history of jaundice
• Surgery of the gastrointestinal tract (except appendectomy)
• Diseases of the central nervous system (such as epilepsy) or psychiatric disorders or neurological disorders
• History of relevant orthostatic hypotension, fainting spells, or blackouts
• Chronic or relevant acute infections
• History of relevant allergy/hypersensitivity (including allergy to drug or its excipients)
• Intake of drugs with a long half-life (>24 hours) within at least 1 month or less than 10 half-lives of the respective drug prior to administration or during the trial
• Use of any drugs within 10 days prior to administration or during the trial
• Participation in another trial with an investigational product within four months prior to administration or during the trial
• Smoker (>10 cigarettes, >3 cigars or >3 pipes/day)
• Inability to refrain from smoking on trial days (during hospitalisation and end of trial)
• Alcohol abuse (more than 60 g/day)
• Drug abuse
• Blood donation (more than 100 mL within 4 weeks prior to administration or during the trial)
• Excessive physical activities (within 1 week prior to administration or during the trial)
• Any laboratory value outside the reference range that is of clinical relevance
• Inability to comply with dietary regimen of the trial site
• A history of additional risk factors for torsades de pointe (e.g., heart failure, hypokalemia, and family history of long QT syndrome)
• The use of concomitant medications that prolong the QT/corrected QT interval